3525774: Add GPSForCurrentDocument() into PermissionControllerDelegate.

Xref: https://chromium-review.googlesource.com/c/chromium/src/+/3525774

refactor: copy upstream impl of GetPermissionStatusForCurrentDocument into +ElectronPermissionManager

shell/browser/electron_permission_manager.cc

@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/values.h"
+#include "content/browser/permissions/permission_util.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/global_routing_id.h"
 #include "content/public/browser/permission_controller.h"
@@ -398,4 +399,13 @@ ElectronPermissionManager::GetPermissionStatusForFrame(
                  : blink::mojom::PermissionStatus::DENIED;
 }
 
+blink::mojom::PermissionStatus
+ElectronPermissionManager::GetPermissionStatusForCurrentDocument(
+    content::PermissionType permission,
+    content::RenderFrameHost* render_frame_host) {
+  return GetPermissionStatus(
+      permission, render_frame_host->GetLastCommittedOrigin().GetURL(),
+      content::PermissionUtil::GetLastCommittedOriginAsURL(render_frame_host));
+}
+
 }  // namespace electron

shell/browser/electron_permission_manager.h

@@ -85,6 +85,9 @@ class ElectronPermissionManager : public content::PermissionControllerDelegate {
       content::PermissionType permission,
       content::RenderFrameHost* render_frame_host,
       const GURL& requesting_origin) override;
+  blink::mojom::PermissionStatus GetPermissionStatusForCurrentDocument(
+      content::PermissionType permission,
+      content::RenderFrameHost* render_frame_host) override;
 
   bool CheckPermissionWithDetails(content::PermissionType permission,
                                   content::RenderFrameHost* render_frame_host,